US4274406A - Tracheotomy mask - Google Patents
Tracheotomy mask Download PDFInfo
- Publication number
- US4274406A US4274406A US06/072,128 US7212879A US4274406A US 4274406 A US4274406 A US 4274406A US 7212879 A US7212879 A US 7212879A US 4274406 A US4274406 A US 4274406A
- Authority
- US
- United States
- Prior art keywords
- pipe
- port
- mask
- adapter
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0683—Holding devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0825—Joints or connectors with ball-sockets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/0497—Tube stabilizer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/912—Connections and closures for tubes delivering fluids to or from the body
Definitions
- the tracheotomy mask of the present invention provides a still further advantage over previous devices. Because of its construction, it allows even greater flexibility than the King mask in providing a two-way rotation, combined with an angled pipe, so that even greater pipe direction selection is possible. In addition, because of its construction, the present device is relatively simple to assemble.
- the tracheotomy mask of the present invention incorporates a soft, flexible mask body for being secured against a patient's throat, a fitting member or adapter which is rotatably secured on the body, and a curved or angled pipe which is rotatably secured on the adapter. Both the adapter and pipe rotate about single, but different, axes which form an acute angle with one another. With the pipe being angled, because of the two-way rotation, the pipe end, to which an oxygen supply hose or tube is attached, can be adjusted to any desired direction, thereby making the device extremely convenient to use.
- FIG. 1 is a perspective view showing the tracheotomy mask of the invention
- FIG. 2 is a side sectional elevation of the mask
- FIG. 3 is a front view of one embodiment of an adapter and pipe
- FIG. 4 is a front view of another embodiment of an adapter and pipe
- FIG. 5 is an enlarged top plan view of a pipe showing the means for attaching it to an adapter and including a calibrating member;
- FIG. 6 is a sectional view of the pipe taken along lines 6--6 of FIG. 5.
- FIGS. 1 and 2 the device of the invention is shown in detail comprising a body member 12 to which is attached the fitting member or adapter 20.
- the body member is preferably of a relatively soft, flexible material such as polyvinyl chloride, having a peripheral edge which can engage a patient's throat to form a gas-tight seal.
- a flexible strap 36 which may be elastic, and which can be tightened so that the body member can be secured on the patient's throat.
- a body member is disclosed in the aforesaid Hudson patent, and the description thereof is incorporated herein by reference.
- other suitable tracheotomy body members may also be used, so long as they are adapted to receive the rotatable adapter as will be described hereinafter.
- an enlarged port 39 defined by a guide lip 16, which is an integral part of the body member, and extends forwardly to form an annular ring, and in which the adapter is secured.
- the enlarged forward port of the body member is defined by the interior surface of the circular lip 16.
- Adapter 20 is preferably formed of a rigid plastic, such as rigid polyethylene or PVC, and having a surface characteristic for being readily slidable relative to the flexible plastic of which the body member is composed.
- adapter 20 is readily rotatable within the lip. This feature can be more readily observed in FIG. 2, with adapter 20 preferably being rotatable about a single axis extending normal to a plane across port 39 defined by lip 16. In other words, as FIG. 2 is viewed, with port 39 lying along a vertical plane, adapter 20 is rotatable about a horizontal axis. Such a rotation of the adapter and its relationship to lip 16 and rotation thereabout is substantially like that described in the aforesaid Hudson patent.
- the adapter may comprise two portions, one which is non-rotatable and secured to the body member, and the other portion being rotatable, again along a single axis, and perpendicular to a plane extending vertically across port 39.
- adapter 20 would require adapter 20 to be constructed of two parts, one rotatable relative to the other, which would be likely more difficult and costly to produce than the preferred embodiment described hereinabove.
- Pipe 30 is open at both opposite ends 37 and 14.
- the pipe is secured at port 38 of the adapter, and rotatable at that port.
- pipe 30 is provided with a groove 48 defined between a pair of bosses or rims 44 and 46.
- the circular port surface rotatably fits in the groove.
- the rims 44 and 46 act as guides for the rotating pipe, as well as preventing other substantial movement of the pipe relative to the adapter, thus securing the fit between the two components.
- the pipe is preferably made from a somewhat more flexible material, such as polyethylene, which can be deformed under pressure.
- a somewhat more flexible material such as polyethylene
- the pipe can be snapped into place by being slightly deformed at pipe end 37 so that rim 44 can pass into port 38 of the rigid adapter, and then allowed to expand back to its original position, which will secure the pipe in place.
- Port 38 on adapter 20 and about which pipe 30 is rotated, is offset relative to the axis of rotation of adapter 20. This is clearly seen in FIG. 2, in which the axis of rotating adapter 20 is substantially horizontal as the device is viewed, whereas the rotation of pipe 30 at port 38 is about an axis forming an acute angle with the axis of rotation of the adapter. Specifically, the axis about which the pipe is rotated is preferably 45°, so that, of course, the resulting acute angle is 45°.
- Pipe 30 is also preferably angled between its opposite ends 14 and 37, so that the elongated axis extending through each port at the opposite ends of the device are at different angles relative to one another.
- the pipe is simply curved or bent, as shown, between its ends, to achieve that feature.
- the pipe will preferably be bent or curved on an obtuse angle of 135°.
- the acute angle between the axis of adapter rotation and pipe rotation is any other angle than 45°
- the extent that pipe 30 is preferably bent will be at an obtuse angle between its ends which is supplementary with the acute angle beween its axis of rotation and the axis of adapter rotation.
- pipe 30 will preferably be bent between its ends at an angle of 150°.
- the pipe could be bent at other angles than one which is supplementary to the acute angle difference between the axes of pipe and adapter rotation
- the supplementary angle feature provides for direction the exterior pipe end 14 in any direction forward of the mask body including any direction parallel with the axis of adapter rotation.
- port 38 is circular, as is groove 48, adjacent pipe end 37. It will be understood that in order for pipe 30 to be rotated around port 38, both the groove and the port will need to be circular.
- a circular port 38 may be formed in any way, it is most convenient to form such a port by cutting a segment from a spherical surface along a flat plane.
- adapter 20 is preferably formed with a spherical exterior surface and with the circular port 38 being formed readily on that surface.
- a circular surface may still be formed or molded thereon, although it may not be exactly flush with the exterior adapter surface.
- the preferred embodiment of having the pipe directly secured into port 38, and rotatable thereabout may be modified to achieve an equivalent function by splitting the pipe into two segments, with the exterior segment being rotatable relative to the segment secured to the adapter.
- an upper pipe segment may be secured in port 38, and a lower pipe segment may be rotatable relative to the upper pipe segment.
- the pipe may be attached to a fitting member, which is rotatably secured to the adapter.
- the pipe end itself is not required to be secured directly on the adapter.
- the axes of pipe and adapter rotation as described above, need not intersect, although they do in the preferred embodiments shown.
- pipe 30 includes an exhalation port 35 through which gas expired by the patient is vented.
- the exhalation port 42 is instead located on the adapter 22 rather than on pipe 30.
- Pipe 30 shown in FIGS. 2, 4, and 5 also has a tube 32 which extends exteriorly of the pipe and which may be connected to a gas supply source for continually directing a relatively small gas flow thereto to create a positive end expiratory pressure to the patient.
- Tube 32 includes a port 34 interiorly of pipe 30, so that a gas supply source directed into the tube will flow through port 37 (FIG. 2).
- PEEP Positive end expiratory pressure
- port 34 be directed along the center axis of port 37 of the pipe so that the small gas flow can be directed into the tracheotomy mask and without being baffled against a side of the device.
- FIGS. 5 and 6 there is also shown a calibrating member 50, secured in port 37 of pipe 30. Since the purpose of the member is to provide a smaller port opening, different members may have different outlet port 56 sizes, or areas, or the ratio of areas of ports 34 and 56 may be varied, whereby the rate of gas flow therethrough may be correspondingly changed, and the pressure relative to the flow rate of gas through PEEP inlet tube 32 selected.
- a calibrating member seat 52 adjacent port 37, and the member may be easily inserted and removed from the seat for selected use.
- the device has been described particularly as a tracheotomy mask, the invention may be used on any gas delivery mask, such as an oxygen mask, secured on a patient's face, particularly over the nose and mouth, as are well known in the art.
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/072,128 US4274406A (en) | 1979-09-04 | 1979-09-04 | Tracheotomy mask |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/072,128 US4274406A (en) | 1979-09-04 | 1979-09-04 | Tracheotomy mask |
Publications (1)
Publication Number | Publication Date |
---|---|
US4274406A true US4274406A (en) | 1981-06-23 |
Family
ID=22105767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/072,128 Expired - Lifetime US4274406A (en) | 1979-09-04 | 1979-09-04 | Tracheotomy mask |
Country Status (1)
Country | Link |
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US (1) | US4274406A (en) |
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4676241A (en) * | 1984-01-16 | 1987-06-30 | W.L.G. Technology | Ventilation tube swivel |
US4938209A (en) * | 1989-01-12 | 1990-07-03 | Fry William J | Mask for a nebulizer |
US5022394A (en) * | 1988-10-11 | 1991-06-11 | Homecare Of Dearborn | Heat and moisture exchanger device for tracheostomy patients |
US5027811A (en) * | 1990-06-04 | 1991-07-02 | Tuxill Judith D | Tracheostomy chamber having adapter for suction capability |
US5660174A (en) * | 1993-07-13 | 1997-08-26 | Jacobelli; Chantal | Buccal respiration mask |
US5662101A (en) * | 1995-12-07 | 1997-09-02 | Respironics, Inc. | Respiratory facial mask |
US5749360A (en) * | 1997-02-03 | 1998-05-12 | Hospitak, Inc. | Tracheostomy mask with tracheostomy tube alignment stabilizer |
US6039044A (en) * | 1994-12-09 | 2000-03-21 | University Of Sydney | Gas delivery mask |
EP1025875A3 (en) * | 1999-02-04 | 2001-03-21 | Teijin Limited | Nasal resuscitator mask |
US20030079751A1 (en) * | 1997-02-10 | 2003-05-01 | Kwok Philip R. | Mask and vent assembly therefor |
US6561190B1 (en) * | 1997-02-10 | 2003-05-13 | Resmed Limited | Mask and a vent assembly therefor |
US20030196658A1 (en) * | 2002-04-23 | 2003-10-23 | Ging Anthony M. | Ergonomic and adjustable respiratory mask assembly with frame |
US20040025882A1 (en) * | 2000-07-21 | 2004-02-12 | Stefan Madaus | Holding device for a respiratory mask |
US6736139B1 (en) | 2003-02-20 | 2004-05-18 | Mark Wix | Ventilation mask assist device |
US20050150493A1 (en) * | 2002-02-21 | 2005-07-14 | Stephen Foster | Breathing device |
US20050150497A1 (en) * | 2004-01-14 | 2005-07-14 | Weinmann Gerate Fur Medizin Gmbh & Co. Kg | Ventilation device |
US20060137690A1 (en) * | 2003-02-21 | 2006-06-29 | Gunaratnam Michael K | Nasal assembly |
US20060162729A1 (en) * | 2002-04-23 | 2006-07-27 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US20060196509A1 (en) * | 2000-05-15 | 2006-09-07 | Resmed Limited | Respiratory mask having gas washout vent & gas washout vent assembly for a respiratory mask |
US20070107723A1 (en) * | 2005-11-15 | 2007-05-17 | Maraha Berg | Pediatric tracheostomy mask |
US20070125379A1 (en) * | 2005-12-02 | 2007-06-07 | Brian Pierro | Nasal continuous positive airway pressure device and system |
WO2008058338A1 (en) * | 2006-11-17 | 2008-05-22 | Resmed Ltd | Mask assembly, and frame and swivel connector therefor |
EP2281597A1 (en) | 2009-08-06 | 2011-02-09 | Air Liquide Medical Systems | Respiratory nasal mask with a rotatable gas connector having one or several venting ports |
US7942150B2 (en) | 2004-04-09 | 2011-05-17 | Resmed Limited | Nasal assembly |
WO2011122964A1 (en) * | 2010-03-29 | 2011-10-06 | Fisher & Paykel Healthcare Limited | Tracheal couplings and associated systems and methods |
CN102284119A (en) * | 2011-07-07 | 2011-12-21 | 涂艳阳 | Tracheotomy nursing device |
WO2012073147A1 (en) * | 2010-12-02 | 2012-06-07 | Koninklijke Philips Electronics N.V. | Patient interface device with multi-axis elbow conduit |
US20120216819A1 (en) * | 2001-09-07 | 2012-08-30 | Resmed Limited | Mask assembly |
JP2013524914A (en) * | 2010-04-19 | 2013-06-20 | インターサージカル アクチェンゲゼルシャフト | Respiratory improvements |
US8479736B2 (en) | 2002-04-23 | 2013-07-09 | Resmed Limited | Respiratory mask assembly |
US8567400B2 (en) | 2010-10-05 | 2013-10-29 | Carefusion 207, Inc. | Non-invasive breathing assistance device with flow director |
US8607794B2 (en) | 2010-10-05 | 2013-12-17 | Carefusion 207, Inc. | Non-invasive breathing assistance apparatus and method |
CN104888329A (en) * | 2008-03-04 | 2015-09-09 | 瑞思迈有限公司 | Mask system |
US20180353723A1 (en) * | 2017-06-07 | 2018-12-13 | Mildred Demeo | Oxygen Administering System |
US10814090B2 (en) * | 2015-08-17 | 2020-10-27 | Jada Medical, Llc | Carbon dioxide airway adaptor |
US10828454B2 (en) | 2013-12-11 | 2020-11-10 | Fisher & Paykel Healthcare Limited | Respiratory interface |
US11331447B2 (en) | 2008-03-04 | 2022-05-17 | ResMed Pty Ltd | Mask system with snap-fit shroud |
US11969552B2 (en) | 2022-06-28 | 2024-04-30 | ResMed Pty Ltd | Mask system with radially positioned vent holes |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3236236A (en) * | 1963-02-12 | 1966-02-22 | Hudson Oxygen Therapy Sales Co | Tracheotomy mask |
US3461877A (en) * | 1966-03-02 | 1969-08-19 | Ernst Trier Morch | Tracheostomy tube construction |
US3814103A (en) * | 1973-03-08 | 1974-06-04 | Shiley Labor Inc | Binasal pharyngeal airway |
US3824999A (en) * | 1972-09-18 | 1974-07-23 | Sandoz Ag | Tracheotomy mask |
US4045058A (en) * | 1971-09-20 | 1977-08-30 | Instrumentation Industries, Inc. | Slip-proof coupling device |
US4152017A (en) * | 1977-08-08 | 1979-05-01 | Metatech Corporation | Swivel connector for endotracheal tube or the like |
-
1979
- 1979-09-04 US US06/072,128 patent/US4274406A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3236236A (en) * | 1963-02-12 | 1966-02-22 | Hudson Oxygen Therapy Sales Co | Tracheotomy mask |
US3461877A (en) * | 1966-03-02 | 1969-08-19 | Ernst Trier Morch | Tracheostomy tube construction |
US4045058A (en) * | 1971-09-20 | 1977-08-30 | Instrumentation Industries, Inc. | Slip-proof coupling device |
US3824999A (en) * | 1972-09-18 | 1974-07-23 | Sandoz Ag | Tracheotomy mask |
US3814103A (en) * | 1973-03-08 | 1974-06-04 | Shiley Labor Inc | Binasal pharyngeal airway |
US4152017A (en) * | 1977-08-08 | 1979-05-01 | Metatech Corporation | Swivel connector for endotracheal tube or the like |
Cited By (125)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4676241A (en) * | 1984-01-16 | 1987-06-30 | W.L.G. Technology | Ventilation tube swivel |
US5022394A (en) * | 1988-10-11 | 1991-06-11 | Homecare Of Dearborn | Heat and moisture exchanger device for tracheostomy patients |
US4938209A (en) * | 1989-01-12 | 1990-07-03 | Fry William J | Mask for a nebulizer |
US5027811A (en) * | 1990-06-04 | 1991-07-02 | Tuxill Judith D | Tracheostomy chamber having adapter for suction capability |
US5660174A (en) * | 1993-07-13 | 1997-08-26 | Jacobelli; Chantal | Buccal respiration mask |
US6039044A (en) * | 1994-12-09 | 2000-03-21 | University Of Sydney | Gas delivery mask |
EP1234593A3 (en) * | 1995-12-07 | 2002-10-02 | Respironics, Inc. | Respiratory facial mask |
EP1234593A2 (en) * | 1995-12-07 | 2002-08-28 | Respironics, Inc. | Respiratory facial mask |
US5662101A (en) * | 1995-12-07 | 1997-09-02 | Respironics, Inc. | Respiratory facial mask |
US5749360A (en) * | 1997-02-03 | 1998-05-12 | Hospitak, Inc. | Tracheostomy mask with tracheostomy tube alignment stabilizer |
US7207335B2 (en) | 1997-02-10 | 2007-04-24 | Resmed Limited | Mask and vent assembly therefor |
US20030079751A1 (en) * | 1997-02-10 | 2003-05-01 | Kwok Philip R. | Mask and vent assembly therefor |
US6561190B1 (en) * | 1997-02-10 | 2003-05-13 | Resmed Limited | Mask and a vent assembly therefor |
US7845354B2 (en) | 1997-02-10 | 2010-12-07 | Resmed Limited | Mask and vent assembly therefor |
US8122886B2 (en) | 1997-02-10 | 2012-02-28 | Resmed Limited | Respiratory mask assembly with vent |
US8826910B2 (en) | 1997-02-10 | 2014-09-09 | Resmed Limited | Mask and vent assembly therefor |
US8833371B2 (en) | 1997-02-10 | 2014-09-16 | Resmed Limited | Mask and vent assembly therefor |
EP1025875A3 (en) * | 1999-02-04 | 2001-03-21 | Teijin Limited | Nasal resuscitator mask |
US6694973B1 (en) | 1999-02-04 | 2004-02-24 | Teijin Limited | Nasal mask for use in intermittent positive pressure ventilation therapy |
AU768935B2 (en) * | 1999-02-04 | 2004-01-08 | Teijin Limited | Improved nasal mask for use in intermittent positive pressure ventilation therapy |
US7926487B2 (en) | 2000-05-15 | 2011-04-19 | Resmed Limited | Respiratory mask having gas washout vent and gas washout vent assembly for a respiratory mask |
US20060196509A1 (en) * | 2000-05-15 | 2006-09-07 | Resmed Limited | Respiratory mask having gas washout vent & gas washout vent assembly for a respiratory mask |
US8528558B2 (en) | 2000-05-15 | 2013-09-10 | Resmed Limited | Respiratory mask having washout vent and gas washout vent assembly for a respiratory mask |
US20040025882A1 (en) * | 2000-07-21 | 2004-02-12 | Stefan Madaus | Holding device for a respiratory mask |
US7562658B2 (en) | 2000-07-21 | 2009-07-21 | Map Medizin Technologie Gmbh | Holding device for a respiratory mask |
US10500363B2 (en) | 2001-09-07 | 2019-12-10 | ResMed Pty Ltd | Mask assembly |
US20120216819A1 (en) * | 2001-09-07 | 2012-08-30 | Resmed Limited | Mask assembly |
US7331344B2 (en) * | 2002-02-21 | 2008-02-19 | Electro Medical Equipment Limited | Breathing device |
US20050150493A1 (en) * | 2002-02-21 | 2005-07-14 | Stephen Foster | Breathing device |
US20070144517A1 (en) * | 2002-02-21 | 2007-06-28 | E.M.E. Limited | Breathing device |
US10729867B2 (en) | 2002-04-23 | 2020-08-04 | ResMed Pty Ltd | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US20060272645A1 (en) * | 2002-04-23 | 2006-12-07 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US7341060B2 (en) | 2002-04-23 | 2008-03-11 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US9457162B2 (en) | 2002-04-23 | 2016-10-04 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US8944058B2 (en) | 2002-04-23 | 2015-02-03 | Resmed Limited | Patient interface device |
US20030196658A1 (en) * | 2002-04-23 | 2003-10-23 | Ging Anthony M. | Ergonomic and adjustable respiratory mask assembly with frame |
US8833370B2 (en) | 2002-04-23 | 2014-09-16 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US7938116B2 (en) | 2002-04-23 | 2011-05-10 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US9802018B2 (en) | 2002-04-23 | 2017-10-31 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US8479736B2 (en) | 2002-04-23 | 2013-07-09 | Resmed Limited | Respiratory mask assembly |
US8371302B2 (en) | 2002-04-23 | 2013-02-12 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US20080041389A2 (en) * | 2002-04-23 | 2008-02-21 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US20060162729A1 (en) * | 2002-04-23 | 2006-07-27 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US20070119458A1 (en) * | 2002-04-23 | 2007-05-31 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US10814087B2 (en) | 2002-04-23 | 2020-10-27 | ResMed Pty Ltd | Ergonomic and adjustable respiratory mask assembly with frame |
US7743767B2 (en) * | 2002-04-23 | 2010-06-29 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US20100229869A1 (en) * | 2002-04-23 | 2010-09-16 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US10905841B2 (en) | 2002-04-23 | 2021-02-02 | ResMed Pty Ltd | Ergonomic and adjustable patient interface |
US7874291B2 (en) | 2002-04-23 | 2011-01-25 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US8025057B2 (en) | 2002-04-23 | 2011-09-27 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US6736139B1 (en) | 2003-02-20 | 2004-05-18 | Mark Wix | Ventilation mask assist device |
US8286636B2 (en) | 2003-02-21 | 2012-10-16 | Resmed Limited | Nasal assembly |
US20080099024A1 (en) * | 2003-02-21 | 2008-05-01 | Resmed Limited | Nasal assembly |
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